We can manufacture opaque quartz tubes and clear quartz tubes of different shapes according to customers' demand. The main ... 74 speculations, ranging from 3-300mm clear quartz tube, UV-stop quartz tube, red quartz tube, processed quartz tube, quartz rod, quartz plate, gray quartz tube, and so on. And we have ... the best quality, competitive price and good service from us. Quartz Reaction Tube